261847
domain: N
Properties
Primality
- Prime
- yes
Appears in sequences
- Greatest number (in decimal representation) with n nonprime substrings in base-4 representation (substrings with leading zeros are considered to be nonprime).at n=22A217114
- Number T(n,k) of equivalence classes of ways of placing k 2 X 2 tiles in an n X 10 rectangle under all symmetry operations of the rectangle; irregular triangle T(n,k), n>=2, 0<=k<=5*floor(n/2), read by rows.at n=42A238586
- The average Wiener index of the set of all fibonacenes with n hexagons.at n=36A245969
- Prime numbersat n=22979